Review On Recent Analytical Techniques Used in Forensic Sciences

Forensic sciences.

As part of the Columbian College of Arts and Sciences’ natural, mathematical, and biomedical sciences programs, forensic sciences provides an understanding of the integration of forensic disciplines with the investigation of criminal activity, while providing an overview of the analytical methods, procedures, equipment, and data used by forensic specialists. Coursework emphasizes the identifica...

Biosensors in forensic sciences

A biosensor is a device that uses biological materials to detect and monitor the presence of specific chemicals in an area. Traditional methods of volatile detection used by law enforcement agencies and rescue teams typically consist of reliance on canine olfaction. This concept of using dogs to detect specific substances is quite old. However, dogs have some limitations such as cost of trainin...

Nuclear Analytical Techniques in Animal Sciences: New Approaches and Outcomes

Review on Recent Speech Recognition Techniques

The objective of Speech Recognition is to determine the sequence of sound units from the Speech signal so that the linguistic message in the form of text to be decoded from the speech Signal. Speech is a sequence of sound units corresponding to a linguistic message. The main problem in these speech applications is processing of the speech signal in a manner similar to human auditory Processing ...

Vocal Forgery in Forensic Sciences

This article describes techniques of vocal forgery able to affect automatic speaker recognition system in a forensic context. Vocal forgery covers two main aspects: voice transformation and voice conversion. Concerning voice transformation, this article proposes an automatic analysis of four specific disguised voices in order to detect the forgery and, for voice conversion, different ways to au...